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Individual Calculations May 2010 |
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| Pessiridis, Isaak Total change: -24.25 | |   |
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| 2010 Attica Preliminary Team A' Division | Attica | GRE | 2010-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1646 | 1737 | 2.00 | 5 | -1.11 | 25 | -27.75 | |
|  Roinos, Ilias | | | 1640 | GRE | 0.00 | 1 | -0.63 | 25 | -15.75 | |  Poulopoulos, Ioannis | | | 1703 | GRE | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Grigoriadis, Mihail | | | 1712 | GRE | 1.00 | 1 | 0.47 | 25 | 11.75 | | | Sidiropoulos, Nikolaos | | | 1581 | GRE | 0.00 | 1 | -0.71 | 25 | -17.75 | | | Ladas, Dimitrios | | | 1596 | GRE | 0.00 | 1 | -0.69 | 25 | -17.25 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | KAISSA 4 | Athens | GRE | 2010-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 1717 | 2.00 | 5 | 0.14 | 25 | 3.50 | |
| | Efthimiou, Georgios | | | 1838 | GRE | 1.00 | 1 | 0.66 | 25 | 16.50 | | | Georgiadis, Nikitas | | | 1445 | GRE | 1.00 | 1 | 0.17 | 25 | 4.25 | | | Kostouros, Alexandros | | | 2117 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Vazelakis, Dimitrios | | | 2019 | GRE | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Arvanitis, Georgios | | | 1748 | GRE | 0.00 | 1 | -0.46 | 25 | -11.50 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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